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  2. Extreme ultraviolet - Wikipedia

    en.wikipedia.org/wiki/Extreme_ultraviolet

    Extreme ultraviolet. Extreme ultraviolet composite image of the Sun (red: 21.1 nm, green: 19.3 nm, blue: 17.1 nm) taken by the Solar Dynamics Observatory on August 1, 2010. 13.5 nm extreme ultraviolet light is used commercially for photolithography as part of the semiconductor fabrication process. This image shows an early, experimental tool.

  3. Color theory - Wikipedia

    en.wikipedia.org/wiki/Color_theory

    Color theory, or more specifically traditional color theory, is the historical body of knowledge describing the behavior of colors, namely in color mixing, color contrast effects, color harmony, color schemes and color symbolism. [1] Modern color theory is generally referred to as Color science. While there is no clear distinction in scope ...

  4. Violet (color) - Wikipedia

    en.wikipedia.org/wiki/Violet_(color)

    In optics, violet is a spectral color: It refers to the color of any different single wavelength of light on the short wavelength end of the visible spectrum (between approximately 380 and 435 nanometers), [16] [17] whereas purple is the color of various combinations of red, blue and violet light, [5] [6] some of which some humans perceive as ...

  5. Extreme ultraviolet lithography - Wikipedia

    en.wikipedia.org/wiki/Extreme_ultraviolet...

    Appearance. Extreme ultraviolet lithography ( EUVL, also known simply as EUV) is a new technology used in the semiconductor industry for manufacturing integrated circuits (ICs). It is a type of photolithography that uses extreme ultraviolet (EUV) light to create intricate patterns on silicon wafers .

  6. Visible spectrum - Wikipedia

    en.wikipedia.org/wiki/Visible_spectrum

    The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the visible spectrum, but some authors define the term more broadly, to include the ...

  7. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.

  8. Shades of violet - Wikipedia

    en.wikipedia.org/wiki/Shades_of_violet

    Displayed at right is the color vivid violet, a color approximately equivalent to the violet seen at the extreme edge of human visual perception. [ citation needed ] When plotted on the CIE chromaticity diagram, it can be seen that this is a hue corresponding to that of a visual stimulus of approximately 380 nm on the spectrum.

  9. Violet Affleck is opening up about her experience with a post-viral condition.. On July 9, the 18-year-old daughter of Jennifer Garner and Ben Affleck attended a Los Angeles County Board of ...

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